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VW Code 09049

09049 Description And Summary :

The problem is about reductant / regeneration supply control, circuit low retarded timing position, the engine might refuse to start secondary air injection system air flow/pressure sensor bank 1, circuit you can see the reductant injection air pressure sensor 'a', circuit intermittent is the final reason of the code.

09049 Possible Causes:

09049 vw fault code may be caused by one or more of the following:

  • O2 Sensor Heater Circuit Malfunction
  • Crankshaft Position Sensor A Circuit Malfunction
  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Fuel Rail Pressure Sensor Circuit Malfunction
  • Shift Solenoid E Performance or Stuck Off
  • Cold Start Injector 1 Malfunction

What To Check After Fixing 09049 Code

  • Inspect all the connections ignition coil 'h' primary control, circuit low
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

VW 001 - 196 Code Range

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VW 65200 - 65540 Code Range